3857486 has 4 divisors (see below), whose sum is σ = 5786232. Its totient is φ = 1928742.

The previous prime is 3857473. The next prime is 3857489. The reversal of 3857486 is 6847583.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964370 + ... + 964373.

It is an arithmetic number, because the mean of its divisors is an integer number (1446558).

Almost surely, 2^3857486 is an apocalyptic number.

3857486 is a deficient number, since it is larger than the sum of its proper divisors (1928746).

3857486 is a wasteful number, since it uses less digits than its factorization.

3857486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928745.

The product of its digits is 161280, while the sum is 41.

The square root of 3857486 is about 1964.0483700765. The cubic root of 3857486 is about 156.8320380442.

The spelling of 3857486 in words is "three million, eight hundred fifty-seven thousand, four hundred eighty-six".